Big Stone Lake Weather Forecast

    • 56
    • 82

    Becoming Sunny

    • 50
    • 74

    Mostly Sunny

    • 62
    • 81

    Mostly Sunny

    • 52
    • 82

    Slight Chance Thunderstorms

    • 48
    • 68

    Partly Sunny

    • 48
    • 63

    Chance Rain Showers

Today 8 Sep West Otter Tail

Mostly cloudy in the morning then clearing. Highs 80 to 85. Southwest Winds 10 to 20 Mph.

Tonight 8 Sep West Otter Tail

Mostly clear. Lows in the mid 50s. West Winds 5 to 15 Mph.

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Big Stone Lake Temperature Statistics

September Temperature

Fergus Falls Municipal Airport-Einar Mickel (12.4 miles)

  • Lowest 1 September, 2026

    53.6 °F

  • Average September

    73.1 °F

  • Highest 3 September, 2026

    89.6 °F

Climate (2021–2026)

Fergus Falls Municipal Airport-Einar Mickel (12.4 miles)

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  • Average Low 2021–2026

    34.5 °F

  • Average 2021–2026

    44.1 °F

  • Average High 2021–2026

    53.6 °F
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